71 lines
2.6 KiB
PHP
71 lines
2.6 KiB
PHP
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<?php
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namespace Icinga\Less;
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use Less_Tree_Call;
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use Less_Tree_Color;
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use Less_Tree_Value;
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use Less_Tree_Variable;
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class Call extends Less_Tree_Call
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{
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public static function fromCall(Less_Tree_Call $call)
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{
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return new static($call->name, $call->args, $call->index, $call->currentFileInfo);
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}
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public function compile($env = null)
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{
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if (! $env) {
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// Not sure how to trigger this, but if there is no $env, there is nothing we can do
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return parent::compile($env);
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}
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foreach ($this->args as $arg) {
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$name = null;
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if ($arg->value[0] instanceof Less_Tree_Variable) {
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// This is the case when defining a variable with a callable LESS rules such as fade, fadeout..
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// Example: `@foo: #fff; @foo-bar: fade(@foo, 10);`
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$name = $arg->value[0]->name;
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} elseif ($arg->value[0] instanceof ColorPropOrVariable) {
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// This is the case when defining a CSS rule using the LESS functions and passing
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// a variable as an argument to them. Example: `... { color: fade(@foo, 10%); }`
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$name = $arg->value[0]->getVariable()->name;
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}
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if ($name) {
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foreach (array_reverse($env->frames) as $frame) {
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if (($v = $frame->variable($name))) {
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// Variables from the frame stack are always of type LESS Tree Rule
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$vr = $v->value;
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if ($vr instanceof Less_Tree_Value) {
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// Get the actual color prop, otherwise this may cause an invalid argument error
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$vr = $vr->compile($env);
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}
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if ($vr instanceof DeferredColorProp) {
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if (! $vr->hasReference()) {
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// Should never happen, though just for safety's sake
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$vr->compile($env);
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}
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// Get the uppermost variable of the variable references
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while (! $vr instanceof ColorProp) {
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$vr = $vr->getRef();
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}
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} elseif ($vr instanceof Less_Tree_Color) {
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$vr = ColorProp::fromColor($vr);
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$vr->setName($name);
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}
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$arg->value[0] = $vr;
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break;
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}
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}
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}
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}
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return parent::compile($env);
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}
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}
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